Railways – Trolley rails – Two tread
Patent
1982-09-02
1985-06-25
Scherbel, David A.
Railways
Trolley rails
Two tread
104 94, 104110, 16 94R, E01B 2522
Patent
active
045246980
ABSTRACT:
A modular rail member facilitates the translation of load-bearing carriages on an overhead track and comprises a vertical wall formed with two sections of different lengths which are spaced apart from and connected to each other by a flare having a vertical web. The two spaced-apart sections have ends curved in the same direction, and a vertical plane passing through the horizontal outer edges of the curved ends is set back relative to the vertical web.
REFERENCES:
patent: 1178196 (1916-04-01), Willard
patent: 1972931 (1934-09-01), Haddlesay
patent: 3043408 (1962-07-01), Attwood
patent: 3974777 (1976-08-01), Monne
patent: 3987877 (1976-10-01), Bulanchuk
Schoen Roger
Tourtellier Jean-Louis
Etablissements Tourtellier S.A.
Foster Glenn B.
Scherbel David A.
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